Edison wants to purchase a new computer and go to the Caribbean for spring break. The computer is priced at $1,099, and the vacation is priced at $800. He has only $1,424 in his checking account, so he cannot afford to purchase both. After much thought, Edison buys the computer and writes a check for $1,099.

  

Identify what role money plays in each of the following parts of the story. Hint: Select each role only once. Medium of Unit of Account Store of Value Role of Money Exchange Edison has $1,424 in his checking account. Edison writes a check for $ 1,099 Edison can easily determine that the price of the computer is more than the price of the vacation.